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Commit 8e365eec authored by Chris Lalancette's avatar Chris Lalancette Committed by David S. Miller
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[NETPOLL]: Compute checksum properly in netpoll_send_udp(). 



Signed-off-by: default avatarChris Lalancette <clalance@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent da33e3eb

net/core/netpoll.c

+6 −0
Original line number Diff line number Diff line
@@ -340,6 +340,12 @@ void netpoll_send_udp(struct netpoll *np, const char *msg, int len) 
	udph->dest = htons(np->remote_port);

	udph->len = htons(udp_len);

	udph->check = 0;

	udph->check = csum_tcpudp_magic(htonl(np->local_ip),

					htonl(np->remote_ip),

					udp_len, IPPROTO_UDP,

					csum_partial((unsigned char *)udph, udp_len, 0));

	if (udph->check == 0)

		udph->check = -1;



	skb->nh.iph = iph = (struct iphdr *)skb_push(skb, sizeof(*iph));